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Fork of SeeedStudioTFTv2 by
SeeedStudioTFTv2.h
- Committer:
- lindaako
- Date:
- 2018-04-05
- Revision:
- 14:5421b9d45c5d
- Parent:
- 8:36ea6be5182e
File content as of revision 14:5421b9d45c5d:
/* mbed library for touchscreen connected to 4 mbed pins * derive from SPI_TFT lib * Copyright (c) 2011 Peter Drescher - DC2PD * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef MBED_TOUCH_H #define MBED_TOUCH_H #include "mbed.h" #include "SPI_TFT_ILI9341.h" #ifdef USE_SDCARD #include "SDFileSystem.h" // import the SDFileSystem library #endif struct point { int x; int y; }; class SeeedStudioTFTv2 : public #ifdef USE_SDCARD SDFileSystem, #endif SPI_TFT_ILI9341 { public: /** create a TFT with touch object connected to the pins: * * @param pin xp resistiv touch x+ * @param pin xm resistiv touch x- * @param pin yp resistiv touch y+ * @param pin ym resistiv touch y- * @param mosi,miso,sclk SPI connection to TFT * @param cs pin connected to CS of display * @param reset pin connected to RESET of display * based on my SPI_TFT lib */ SeeedStudioTFTv2(PinName xp, PinName xm, PinName yp, PinName ym, PinName mosi, PinName miso, PinName sclk, PinName csTft, PinName dcTft, PinName blTft); typedef enum { YES, MAYBE, NO } TOUCH; TOUCH getTouch(point& p); void setBacklight(bool enabled); /** calibrate the touch display * * User is asked to touch on two points on the screen */ void calibrate(void); /** read x and y coord on screen * * @returns point(x,y) */ bool getPixel(point& p); /** calculate coord on screen * * @param a_point point(analog x, analog y) * @returns point(pixel x, pixel y) * */ point toPixel(point p); protected: PinName _xm; PinName _ym; PinName _xp; PinName _yp; DigitalOut bl; int readTouch(PinName p, PinName m, PinName a, PinName i); int x_off,y_off; int pp_tx,pp_ty; }; #endif